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Leighton Consulting, Inc. <br />611 Wilshire Blvd., Suite 1404 <br />Los Angeles, CA 90017 <br />http://www.leightongroup.com <br />: <br />Project title : The Academy - Orangewood Children's <br />CPT file : CPT- 2 <br />Input parameters and analysis data <br />Location : 1901 North Fairview Street, Santa Ana, CA <br />Analysts method: <br />Fines correction method: <br />Points to test: <br />Earthquake magnitude Mw <br />Peak ground acceleration: <br />NCEER (1998) <br />NCEER (1998) <br />Based on Ic value <br />6.70 <br />0.38 <br />G.W.T. (in-situ):30.00 A <br />G.W.T. (ear-thq.):15.00 ft <br />Average results interval: 3 <br />Ic cut-off value:2.60 <br />Unit weight calculation:Based on SBT <br />Use fill:Yes <br />Fill height:3.0 <br />Fill weight:10[ <br />Trans. detect. applied: Yes <br />Kc applied:NO <br />Clay like behavior <br />Oft applied:Sands only <br />1.00 It/#3 Limit depth applied: Yes <br />Limit depth:50.00 ft <br />cone r¥8}R'0258ER FrictiO#AIMtJG E R SBTn Plot CRR plot FS Plot <br />UFILL <br />10-10-10-5-5 <br />15-15-15-10-10 <br />20-20-20-15-15 <br />20-20 <br />25-25-25- <br />30-30-30-25-25 <br />30-30 <br />35-35-35- <br />35-35 <br />r 40-40-40- <br />40-40 <br />45-45-45- ii <br />45-45 <br />50-50-50- . <br />50-50 <br />55-55-55- ... <br />55-55 <br />4· <br />60-60-60-·: s <br />60-60 <br />65-65-65-65-65 <br />70-70-70-70 <br />7f751 <br />0 <br />1.1111.- <br />_11111*uaa-ml-- <br />, --7-- .- .I.I.1.1. . ....I....1-I-r.-I-1 . lilli .-1 1111,111 <br />100 200 0 2 4 6 8 10 1 2 3 4 0 0.2 0.4 0.6 0 0.5 1 1.5 2 <br />qt (tsf)Rf (%)Ic (Robertson 1990)CRR & CSR Factor of safety <br />Mw=71/2, sigma =l atm base curve Summary of liquefaction potential <br />0.6- '''''''''''''''1,000 <br />Liquefaction <br />0.5- <br />i 0.4- <br />0.3- <br />0.2- <br />0.1- <br />I c..I,r·. n , In ,![ n <br />1 <br />100= <br />B <br />10. <br />-©24.1 <br />- 1-1 1 <br />X <br />1 111111 <br />0 1,11,11'11,11'lili,11,1,1111 <br />0 20 40 60 80 100 120 14 <br />Qtn,cs <br />1 iii 'lll,i <br />0.1 1 10 <br />Normalized friction ratio (%) <br />No Liquefaction - <br />IO 160 180 200 <br />Zone A, Cyclic liquefact,on likely depending on s,ze and duration of cyclic loading <br />Zone A- Cyclic liquefaction and strength loss likely depending on loading and ground <br />geometry <br />Zone B LIquefaction and post-earthquake strength loss unlikely check cyclic softening <br />Zone C Cyclic I,quefactlon and strength I O5S possible depending on soil plasticity <br />brittleness/sensitivity strain to peak undrained strength and ground geometry <br />CLiq v.1.5.1.16 - CPT Liquefaction Assessment Software - Report created on: 11/2/2011, 1:24:19 PM 9 <br />Project file: P:\Leighton Consulting\603000\603284.001 Orangewood\Analyses\orangewood_cpt.clq <br />SL Rvcd 2019.01.21 <br />1 lilli <br />i <br />7 <br />j